[INFO] cloning repository https://github.com/utkarshkukreti/flip-flop.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/utkarshkukreti/flip-flop.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futkarshkukreti%2Fflip-flop.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futkarshkukreti%2Fflip-flop.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a25c01d1684a322d41461a583426484866304805
[INFO] documenting utkarshkukreti/flip-flop.rs against 1.86.0 for beta-1.87-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futkarshkukreti%2Fflip-flop.rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/utkarshkukreti/flip-flop.rs on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/utkarshkukreti/flip-flop.rs
[INFO] finished tweaking git repo https://github.com/utkarshkukreti/flip-flop.rs
[INFO] tweaked toml for git repo https://github.com/utkarshkukreti/flip-flop.rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/utkarshkukreti/flip-flop.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eb1adf5c049f395590623ac46bb49fb6ab0a0c989425ab67b6c58666a358f36
[INFO] running `Command { std: "docker" "start" "-a" "2eb1adf5c049f395590623ac46bb49fb6ab0a0c989425ab67b6c58666a358f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eb1adf5c049f395590623ac46bb49fb6ab0a0c989425ab67b6c58666a358f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb1adf5c049f395590623ac46bb49fb6ab0a0c989425ab67b6c58666a358f36", kill_on_drop: false }`
[INFO] [stdout] 2eb1adf5c049f395590623ac46bb49fb6ab0a0c989425ab67b6c58666a358f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e11bb14f87f40ecbb7243f731f684f4a96ee2bb04f9b98087579a1f7e9d15c87
[INFO] running `Command { std: "docker" "start" "-a" "e11bb14f87f40ecbb7243f731f684f4a96ee2bb04f9b98087579a1f7e9d15c87", kill_on_drop: false }`
[INFO] [stderr]  Documenting flip-flop v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/../README.md:133:34
[INFO] [stdout]     |
[INFO] [stdout] 133 |  * Apache License, Version 2.0, (https://www.apache.org/licenses/LICENSE-2.0)
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout]     = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout] help: use an automatic link instead
[INFO] [stdout]     |
[INFO] [stdout] 133 |  * Apache License, Version 2.0, (<https://www.apache.org/licenses/LICENSE-2.0>)
[INFO] [stdout]     |                                  +                                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/../README.md:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |  * MIT license (https://opensource.org/licenses/MIT)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] help: use an automatic link instead
[INFO] [stdout]     |
[INFO] [stdout] 134 |  * MIT license (<https://opensource.org/licenses/MIT>)
[INFO] [stdout]     |                 +                                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/flip_flop/index.html
[INFO] running `Command { std: "docker" "inspect" "e11bb14f87f40ecbb7243f731f684f4a96ee2bb04f9b98087579a1f7e9d15c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11bb14f87f40ecbb7243f731f684f4a96ee2bb04f9b98087579a1f7e9d15c87", kill_on_drop: false }`
[INFO] [stdout] e11bb14f87f40ecbb7243f731f684f4a96ee2bb04f9b98087579a1f7e9d15c87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0103799ba855d26dc4841569aa7cec54b903e122944d7cc12118423e65ea672
[INFO] running `Command { std: "docker" "start" "-a" "b0103799ba855d26dc4841569aa7cec54b903e122944d7cc12118423e65ea672", kill_on_drop: false }`
[INFO] [stderr]  Documenting flip-flop v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/../README.md:133:34
[INFO] [stdout]     |
[INFO] [stdout] 133 |  * Apache License, Version 2.0, (https://www.apache.org/licenses/LICENSE-2.0)
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout]     = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout] help: use an automatic link instead
[INFO] [stdout]     |
[INFO] [stdout] 133 |  * Apache License, Version 2.0, (<https://www.apache.org/licenses/LICENSE-2.0>)
[INFO] [stdout]     |                                  +                                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/../README.md:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |  * MIT license (https://opensource.org/licenses/MIT)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] help: use an automatic link instead
[INFO] [stdout]     |
[INFO] [stdout] 134 |  * MIT license (<https://opensource.org/licenses/MIT>)
[INFO] [stdout]     |                 +                                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/flip_flop/index.html
[INFO] running `Command { std: "docker" "inspect" "b0103799ba855d26dc4841569aa7cec54b903e122944d7cc12118423e65ea672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0103799ba855d26dc4841569aa7cec54b903e122944d7cc12118423e65ea672", kill_on_drop: false }`
[INFO] [stdout] b0103799ba855d26dc4841569aa7cec54b903e122944d7cc12118423e65ea672